What Was the Major Achievement of the Lobbying Disclosure Act

What was the major achievement of the Lobbying Disclosure Act of 1995 (LDA) ?

A) All lobbyists are now required to register with the Clerk of the House of Representatives or the Secretary of the Senate.
B) Disclosure laws now apply to people who indirectly try to influence policy or legislation.
C) Lobbyist registration and reports are now available to the public online.
D) Nearly 100 percent of data in all lobbyist reports can now be verified.